Table 2: Morphological Alterations of the Brainstem and Cerebellum in Unexpected Death Victims

Unexpected death victims Arcuate nucleus
hypoplasia
Pre-Bötzinger nucleus
hypoplasia
Parabrachial Kölliker-Fuse
complex hypoplasia
Parafacial nucleus
hypoplasia
Cerebellar cortex
immature structure
stillbirths
n/tot(%)
33/59
(56)
15/59
(25) * #
14/59
(24) *
41/59
(70) * #
6/59
(10)
newborns
n/tot(%)
14/28
(50)
0 # 8/28
(29) #
0 * 6/28
(20)
SIDS n/tot(%) 65/130
(50)
10/130
(8) *
0 * # 0 # 34/130
(26)
statistics Not significant # SB>NB p=0.0030
* SB>SIDS p=0.0008
*SB>SIDS p<0.0001
# NB>SIDS p<0.0001
*SB> NB p>0.0001
# SB >SIDS p=0
Not significant

SIDS=sudden infant death syndrome.One way ANOVA and Student’s paired t-test were performed to compare the incidence of hypoplasia in the different districts of central autonomic nervous system.